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Bug #594

CharPoly(MAT) and MinPoly(MAT) work in different settings: unify behaviaour

Added by Anna Maria Bigatti over 9 years ago. Updated over 9 years ago.

Status:
Closed
Priority:
Normal
Category:
Incomplete function
Target version:
Start date:
22 Jul 2014
Due date:
% Done:

100%

Estimated time:
2.50 h
Spent time:

Description

They should both work both with M in K or in Kx (but not dependent on x)

/**/ K := NewFractionField(NewPolyRing(QQ, ["a"]));
/**/ Use R ::= K[x];
/**/ MinPoly(matrix([[0,0,a],[0,0,0],[0,0,0]]), x);
x^2
/**/  Use QQ[x,a];
/**/  MinPoly(matrix([[0,0,a],[0,0,0],[0,0,0]]), x);
x^2


Related issues

Related to CoCoALib - Feature #848: Implement MinPoly in CoCoALibClosed2016-03-22

History

#1 Updated by Anna Maria Bigatti over 9 years ago

  • Category set to Incomplete function
  • Status changed from New to Feedback
  • Assignee set to Anna Maria Bigatti
  • Target version set to CoCoA-5.1.1 Seoul14
  • % Done changed from 0 to 90
  • Estimated time set to 2.50 h

all done (also documented)

#2 Updated by John Abbott over 9 years ago

  • Status changed from Feedback to Closed
  • % Done changed from 90 to 100

#3 Updated by Anna Maria Bigatti about 8 years ago

  • Related to Feature #848: Implement MinPoly in CoCoALib added

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